Bis(triethoxysilylpropyl)tetrasulfide

Technical Data

Solubility:

Soluble in Primary alcohols, ketones, benzene, toluene, dimethylformaminde, chlorinated hydtocarbons, cetonitrile, dimethysulfoxide; Insoluble in Water;

Application

• When used in rubber compounds, it produces these effects:

  Silane coupling agent for non-black pigments.

  Cure equilibrium for reversion resistance.

  Curing agent for good heat aging.

  
  

• Coupling Agent - With as little as 0.5 to 1.0 phr with clay fillers and 1.0 to 4.0 phr for silica pigments, VANABIO® SS5200couples the non-black pigment and elastomers resulting in increases in modulus of low modulus silicone and increase in abrasion resistance.

• Cure Equilibrium - VANABIO® SS5200has four sulfur atoms positioned in the center.

• At cure temperatures, these participate with sulfur in producing polysulfidic crosslinks. The VANABIO® SS5200replaces crosslinks broken during cure, resulting in reversion resistant, and with proper compounding, reversion free compounds. This is known as equilibrium cure. The dynamic flex characteristics, E.G., heat generation and crack growth, are dramatically improved.

• Curing Agent - Removing all sulfur from the compound for NR, SBR, NBR and replacing it with VANABIO® SS5200and certain thiuram accelerators, produces compounds with excellent heat aging characteristics in addition to the coupling effects.

• VANABIO® SS5200is a silane coupling agent that has crosslinking and accelerator activity in silicone rubber compounds.

Packing and Storage

• VANABIO® SS5200is supplied in net weight 200Kg steel drum or 1000Kg IBC tote.

• In the unopened original container VANABIO® SS5200has a shelf life of five years in a dry and cool place.